<?php 

namespace app\common\service;

use app\common\model\lottery\Prize;

/**
 * 清空数据 
 */
class ClearData
{	
	
	public function __construct()
	{

	}

	public  function clearTable()
	{

	}
	
	public  function truncateTable($tableName)
	{

	}
	


	



}
?>